| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Acanthus Architects Europe Limited | 02825003 | 19/08/1993 | Dissolved |
| Addyman Associates Ltd. | SC178907 | 18/09/1997 | Dissolved |
| BRISBANE OBSERVATORY TRUST | SC392502 | 31/01/2011 | Silver |
| PERTH CITY MARKET TRUST | SC462961 | 04/11/2013 | Dissolved |
| ST STEPHEN'S PLAYFAIR TRUST | SC470187 | 17/02/2014 | Dissolved |
| The Greenlaw Town Hall Trust | SC158805 | 22/06/1995 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACANTHUS ASSOCIATED ARCHITECTURAL PRACTICES LIMITED | 01986299 | 31/12/1990 | 25/03/1994 | Silver |
| ASIA SCOTLAND TRUST LTD | SC464144 | 12/12/2016 | 30/09/2019 | Gold |
| Canongate Building Consultants Ltd | SC083097 | 30/06/1989 | 07/08/1989 | Dissolved |
| EDINBURGH WORLD HERITAGE TRUST | SC195077 | 13/01/2004 | 19/05/2007 | Silver |
| HISTORIC CHURCHES SCOTLAND | SC162884 | 16/08/2009 | 25/08/2017 | Silver |
| SCOTTISH LIME CENTRE TRUST | SC151481 | 01/07/1994 | 10/08/2007 | Bronze |
| SHBT HOLDINGS | SC096581 | 12/08/1999 | 27/08/2009 | Dissolved |
| THE EDINBURGH AND LOTHIANS GREENSPACE TRUST | SC132480 | 19/03/1997 | 14/12/2005 | Gold |